摘要：
https://leetcode.com/problems/reverse-vowels-of-a-string/ Write a function that takes a string as input and reverse only the vowels of a string. Examp 阅读全文
摘要：
https://pintia.cn/problem-sets/994805342720868352/problems/994805357933608960 On a broken keyboard, some of the keys are always stucked. So when you t 阅读全文
摘要：
https://pintia.cn/problem-sets/994805342720868352/problems/994805357258326016 Given a set of N (>) positive integers, you are supposed to partition th 阅读全文
摘要：
1.摆花问题 题目描述小明的花店新开张，为了吸引顾客，他想在花店的门口摆上一排花，共m盆。通过调查顾客的喜好，小明列出了顾客最喜欢的n种花，从1到n标号。为了在门口展出更多种花，规定第i种花不能超过ai盆，摆花时同一种花放在一起，且不同种类的花需按标号的从小到大的顺序依次摆列。试编程计算，一共有多少 阅读全文